doi volume + locale

app/models/concerns/with_citations.rb

 module WithCitations
   extend ActiveSupport::Concern
 
-  def citation_apa(website: nil)
-    citation_for("apa", website: website)
+  def citation_apa(website: nil, locale: nil)
+    citation_for("apa", website: website, locale: locale)
   end
 
-  def citation_iso690(website: nil)
-    citation_for("iso690-author-date-fr-no-abstract", website: website)
+  def citation_iso690(website: nil, locale: nil)
+    citation_for("iso690-author-date-fr-no-abstract", website: website, locale: locale)
   end
 
-  def citation_mla(website: nil)
-    citation_for("modern-language-association", website: website)
+  def citation_mla(website: nil, locale: nil)
+    citation_for("modern-language-association", website: website, locale: locale)
   end
 
   protected
 
-  def citation_for(style, website: nil)
+  def citation_for(style, website: nil, locale: nil)
     citeproc = to_citeproc(website: website)
-    processor = CiteProc::Processor.new style: style, format: 'text'
+    processor = CiteProc::Processor.new style: style, format: 'text', locale: locale
     processor.import([citeproc])
     processor.render(:bibliography, id: citeproc["id"]).first
   end

app/models/research/journal/paper.rb

@@ -113,8 +113,10 @@ class Research::Journal::Paper < ApplicationRecord
         { "family" => person.last_name, "given" => person.first_name }
       },
       "URL" => website.url + Communication::Website::Permalink.for_object(self, website).computed_path,
+      "DOI" => doi.present? ? doi : nil,
       "container-title" => journal.title,
-      "publisher" => university.name,
+      "volume" => volume&.number,
+      # "publisher" => university.name,
       "keywords" => keywords,
       "pdf" => pdf.attached? ? pdf.url : nil,
       "month-numeric" => published_at.present? ? published_at.month.to_s : nil,